If you still buy books and want to be a professional writer for a living, then for you can still be a fiction novelist. There are several professional novelists that are still buying books and they are still writing fiction novels. You can even be a nonfiction author. In literature there are no limitations. So, if you want to be a science fiction novelist, then go for it! Love and peace to you all! Behave, or else! 🙂❤️✌️